how to map multi source to multi table in a db/multi table to a table?

how to map multi source to multi table in a db/multi table to a table?

Hi,Im mapping multi source (csv, text, table) to corresponding table in a db. if i use each tmap for each job, it will be Ok, but if I use one tmap for all jobs, it will be duplicatedanyone can help? is it impossible?Thanks